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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G
                                 (Rule 13d-102)


             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED
                            PURSUANT TO RULE 13d-2(b)

                                (Amendment No.  )


                               HEICO CORPORATION
- --------------------------------------------------------------------------------
                                (Name of Issuer)


                              Common Stock, Class A
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    422806208
- --------------------------------------------------------------------------------
                                 (CUSIP Number)


                                September 30, 1999
- --------------------------------------------------------------------------------
            (Date of Event Which Requires Filing of this Statement)


     Check the  appropriate  box to  designate  the rule  pursuant to which this
Schedule is filed:

          [X]  Rule 13d-1(b)

          [_]  Rule 13d-(c)

          [_]  Rule 13d-1(d)


- ----------
(1)  The  remainder  of this  cover  page  shall be filled  out for a  reporting
     person's  initial  filing on this form with respect to the subject class of
     securities,  and for any subsequent amendment containing  information which
     would alter the disclosures provided in a prior cover page.

     The  information  required in the remainder of this cover page shall not be
deemed to be "filed"  for the purpose of Section 18 of the  Securities  Exchange
Act of 1934 or otherwise  subject to the  liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).


(SC13G-07/98)

CUSIP No. 422806208 13G Page 2 of 4 Pages ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Palisade Capital Management, L.L.C., Tax ID#: 22-3330049 ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION New Jersey ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER SHARES 743,400 _________________________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER OWNED BY _________________________________________________________________ EACH 7. SOLE DISPOSITIVE POWER REPORTING 743,400 _________________________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER WITH ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 743,400 ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 10.3% ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON* IA ________________________________________________________________________________ *SEE INSTRUCTIONS BEFORE FILLING OUT!

CUSIP No. 422806208 13G Page 3 of 4 Pages ________________________________________________________________________________ Item 1(a). Name of Issuer: Heico Corporation ________________________________________________________________________________ Item 1(b). Address of Issuer's Principal Executive Offices: 3000 Taft Street, Hollywood, FL 33021 ________________________________________________________________________________ Item 2(a). Name of Person Filing: Palisade Capital Management, L.L.C. ________________________________________________________________________________ Item 2(b). Address of Principal Business Office, or if None, Residence: One Bridge Plaza, Suite 695, Fort Lee, NJ 07024 ________________________________________________________________________________ Item 2(c). Citizenship: New Jersey ________________________________________________________________________________ Item 2(d). Title of Class of Securities: Common Stock, Class A ________________________________________________________________________________ Item 2(e). CUSIP Number: 422806208 ________________________________________________________________________________ Item 3. If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a: (a) [_] Broker or dealer registered under Section 15 of the Exchange Act. (b) [_] Bank as defined in Section 3(a)(6) of the Exchange Act. (c) [_] Insurance company as defined in Section 3(a)(19) of the Exchange Act. (d) [_] Investment company registered under Section 8 of the Investment Company Act. (e) [X] An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E); (f) [_] An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); (g) [_] A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); (h) [_] A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act; (i) [_] A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act; (j) [_] Group, in accordance with Rule 13d-1(b)(1)(ii)(J). If this statement is filed pursuant to Rule 13d-1(c), check this box. [_]

CUSIP No. 13G Page 4 of 4 Pages Item 4. Ownership. Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. (a) Amount beneficially owned: 743,400 (b) Percent of class: 10.3% (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote 743,400 , (ii) Shared power to vote or to direct the vote , (iii) Sole power to dispose or to direct the disposition of 743,400 , (iv) Shared power to dispose or to direct the disposition of ________________________________________________________________________________ Item 5. Ownership of Five Percent or Less of a Class. ________________________________________________________________________________ Item 6. Ownership of More Than Five Percent on Behalf of Another Person. The shares of the Issuer beneficially owned by the reporting person are held on behalf of the reporting person's clients in accounts over which the reporting person has complete investment discretion. No other person has the right to receive or the power to direct the receipt of dividend from, or the proceeds from the sale of, such shares. No other person's interest relates to more than five percent of the class. No client account contains more than five percent of the class. ________________________________________________________________________________ Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company. N/A ________________________________________________________________________________ Item 8. Identification and Classification of Members of the Group. N/A ________________________________________________________________________________ Item 9. Notice of Dissolution of Group. N/A ________________________________________________________________________________ Item 10. Certifications. (a) The following certification shall be included if the statement is filed pursuant to Rule 13d-1(b): "By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having such purpose or effect." (b) The following certification shall be included if the statement is filed pursuant to Rule 13d-1(c): "By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having such purpose or effect."

SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. October 4, 1999 ---------------------------------------- (Date) /s/Steven E. Berman ---------------------------------------- (Signature) Steven E. Berman/Member ---------------------------------------- (Name/Title) Note. Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7(b) for other parties for whom copies are to be sent. Attention. Intentional misstatements or omissions of fact constitute federal criminal violations (see 18 U.S.C. 1001).